It’s generally accepted that exercise is a key element of losing weight. But this long-held view has been called into ...

We reviewed the constrained energy expenditure hypothesis in 2023. We concluded that Pontzer's theory raises some interesting questions. However, it's generally not very convincing due to flaws in ...

We all have limits, and a new study suggests those limits are pretty similar among individual humans—at least at the metabolic level. Researchers tracked runners’ energy expenditure before and after ...